Is a person licensed to practice dentistry
under the law of the appropriate state,
province, territory or nation.
3. Dentist concerns
1. Prevention and control of diseases of oral
2. They are legally entitled to treat patients
3. Prescribe certain drugs.
4. Employ and supervise auxiliary personnel.
4. Dental auxiliary
• Is a person who is gives responsibility by a
dentist, it is a generic term for all persons who is
assist the dentist in patient management render
• Dental auxiliary duties range from simple task
(sorting instruments) to complex procedure
which form part of treatment of patients
• They play an important roll in dental public
5. WHO classify dental auxiliary
1. The training they have received.
2. The task they are expected to
3. Legal restrictions placed upon them.
6. WHO dental auxiliary classification:
• Laboratory categories
1. Dental surgery assistant.
3. Dental health educator.
4. Dental laboratory technician
• Clinical only
1. The school dental nurse
2. The dental therapist
3. The dental hygienist
4. Expanded function dental
7. Non operating auxiliary
• Clinical non operating auxiliary: assists the
dentist in his clinical work but does not carry
out any independent procedures in the oral
• Laboratory non operating auxiliary: assists
the dentist by carrying out certain technical
8. Non operating auxiliary
Dental surgery assistant
Non operating, assist dentist or
hygienist in treating patients, no
permitted to treat patients
Independently, also called dental
9. dental surgery assistant
1. Reception of patient.
2. Patient preparation for any dental treatment.
3. Prepare and sterilize instruments.
4. Care of patient after treatment.
5. Mixing restorative materials.
6. Preparation of surgery for next patient.
7. Assist with x-ray work, and x-ray film processing.
8. Patient instruction.
9. After care of person who have had GA.
10. Dental secretary / receptionist
Non operating auxiliary who assist the dentist
with his secretarial work and patient reception
Dental health educator
Give instruction in the prevention of oral /
13. Dental laboratory technician
A person who fulfilled the perception
provide by dentists, Their work is
mostly performed in laboratories and
not in dental practice setting
15. Dental laboratory technician
1. extra oral constriction and repair of oral
appliance and bridge work.
2. repaired dental appliances.
3. casting a models from impression by
4. fabricating of denture, splints, orthodontic
appliances, inlay, crowns and special trays.
16. Operating auxiliary
A person who is not being a
professional is permitted to carry
out certain treatment procedures in
the mouth under the supervision of
a professional (the dentist)
17. Operating auxiliary
The school dental nurse
A person permit to diagnose dental
disease, plan and carry out certain
specified preventive and treatment of
dental caries and periodontal disease in
a school children group
19. The school dental nurse
1. Oral examination.
2. Prophylaxis and topical fluoride supplements.
3. Administration of local anesthetic.
4. Cavity preparation and placement of amalgam
5. Pulp capping.
6. Extraction of primary teeth.
7. Tooth brushing instruction.
8. OH and dental health education.
20. The dental therapist
Trained for two years to carry out certain
specified preventive and treatment measures
under dentist supervision
1. Diagnosis of dental caries clinically.
2. Cavity preparation.
3. Material handling and restorative skills
4. Vital pulpatomy and extraction of
deciduous teeth under LA.
22. Dental hygienist
A person who licensed and registered to
practice dental hygiene under the law of
the appropriate state, proven, territory or
nation, also work under the supervision
24. Dental hygienist
1. cleaning of mouth and teeth from
calculus and stain.
2. Topical application of fluoride and
sealants and other prophylactic
3. Screening school children so that
may refer to dentist for treatment.
4. OH instruction.
25. Expanded function dental
They are assistant and in some cases
hygienist with additional training for
other dental treatment duties, under
supervision of a dentist.
26. Expanded function dental
EFDA perform the following operations
1. Placing and removing TF , rubber dam,
and matrix band.
2. Condensing and carving amalgam in
previously prepared teeth.
3. Placing of acrylic restoration in previously
4. Help the dentist in four handed
27. Four handed relationship
A term given on art of seating both the dentist and dental
assistant in such away that both are within easy reach of the
The patient is in a fully supine position, the assistant
will hand the dentist, particular instrument he needs,
in addition to retraction and aspiration. This will
decrease the fatigue of dentist and increase